/*
 * Copyright 2007 Matt Jensen
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package org.jtell.config.annotation;

import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * <p>
 * <code>Token</code> attaches an after- or before-order to a listener method.
 * </p>
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Token
{
    /**
     * <p>
     * The contribution token.
     * </p>
     *
     * @return
     */
    String value();

    /**
     * <p>
     * Flag indicating whether the token is required.
     * </p>
     *
     * @return <code>boolean</code> <code>true</code> if the token is required.
     */
    boolean required() default false;
}
